Finding the Third Proportional to 2,190,146,541,018 and 3,219,612,573,090

Step by Step Solution

1. Step 1: Write the proportion equation
   2,190,146,541,018 : 3,219,612,573,090 = 3,219,612,573,090 : x
2. Step 2: Convert to fraction form
   2,190,146,541,018/3,219,612,573,090 = 3,219,612,573,090/x
3. Step 3: Cross multiply
   2,190,146,541,018x = 3,219,612,573,090 × 3,219,612,573,090
4. Step 4: Simplify right side
   2,190,146,541,018x = 10,365,905,120,799,210,975,789,056
5. Step 5: Solve for x
   x = 10,365,905,120,799,210,975,789,056/2,190,146,541,018
6. Step 6: Final answer
   x = 4,732,973,308,708.85